Security alarm bar



FIG. 1 is a front elevational view of a security alarm bar showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof; and

FIG. 4 is a right side elevational view thereof.

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a right side elevational view showing the design in an alternate position thereof.

In the drawings, the break lines indicate that the security alarm bar has no particular length. 

The ornamental design for a security alarm bar, as shown and described. 